/* MIPS ELF specific backend routines.
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002-2022 Free Software Foundation, Inc.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
#include "elf/common.h"
#include "elf/internal.h"
+#include "elf/mips.h"
+extern bool _bfd_mips_elf_mkobject
+ (bfd *);
+extern bool _bfd_mips_elf_new_section_hook
+ (bfd *, asection *);
extern void _bfd_mips_elf_symbol_processing
- PARAMS ((bfd *, asymbol *));
-extern boolean _bfd_mips_elf_section_processing
- PARAMS ((bfd *, Elf_Internal_Shdr *));
-extern boolean _bfd_mips_elf_section_from_shdr
- PARAMS ((bfd *, Elf_Internal_Shdr *, char *));
-extern boolean _bfd_mips_elf_fake_sections
- PARAMS ((bfd *, Elf_Internal_Shdr *, asection *));
-extern boolean _bfd_mips_elf_section_from_bfd_section
- PARAMS ((bfd *, asection *, int *));
-extern boolean _bfd_mips_elf_add_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
- const char **, flagword *, asection **, bfd_vma *));
-extern boolean _bfd_mips_elf_link_output_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *,
- asection *));
-extern boolean _bfd_mips_elf_create_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-extern boolean _bfd_mips_elf_check_relocs
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
-extern boolean _bfd_mips_elf_adjust_dynamic_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-extern boolean _bfd_mips_elf_always_size_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-extern boolean _bfd_mips_elf_size_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-extern boolean _bfd_mips_elf_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
-extern boolean _bfd_mips_elf_finish_dynamic_symbol
- PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
- Elf_Internal_Sym *));
-extern boolean _bfd_mips_elf_finish_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-extern void _bfd_mips_elf_final_write_processing
- PARAMS ((bfd *, boolean));
+ (bfd *, asymbol *);
+extern unsigned int _bfd_mips_elf_eh_frame_address_size
+ (bfd *, const asection *);
+extern bool _bfd_mips_elf_name_local_section_symbols
+ (bfd *);
+extern bool _bfd_mips_elf_section_processing
+ (bfd *, Elf_Internal_Shdr *);
+extern bool _bfd_mips_elf_section_from_shdr
+ (bfd *, Elf_Internal_Shdr *, const char *, int);
+extern bool _bfd_mips_elf_fake_sections
+ (bfd *, Elf_Internal_Shdr *, asection *);
+extern bool _bfd_mips_elf_section_from_bfd_section
+ (bfd *, asection *, int *);
+extern bool _bfd_mips_elf_add_symbol_hook
+ (bfd *, struct bfd_link_info *, Elf_Internal_Sym *,
+ const char **, flagword *, asection **, bfd_vma *);
+extern int _bfd_mips_elf_link_output_symbol_hook
+ (struct bfd_link_info *, const char *, Elf_Internal_Sym *,
+ asection *, struct elf_link_hash_entry *);
+extern bool _bfd_mips_elf_create_dynamic_sections
+ (bfd *, struct bfd_link_info *);
+extern bool _bfd_mips_elf_check_relocs
+ (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *);
+extern bool _bfd_mips_elf_adjust_dynamic_symbol
+ (struct bfd_link_info *, struct elf_link_hash_entry *);
+extern bool _bfd_mips_elf_always_size_sections
+ (bfd *, struct bfd_link_info *);
+extern bool _bfd_mips_elf_size_dynamic_sections
+ (bfd *, struct bfd_link_info *);
+extern int _bfd_mips_elf_relocate_section
+ (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
+ Elf_Internal_Rela *, Elf_Internal_Sym *, asection **);
+extern bool _bfd_mips_elf_finish_dynamic_symbol
+ (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
+ Elf_Internal_Sym *);
+extern bool _bfd_mips_vxworks_finish_dynamic_symbol
+ (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
+ Elf_Internal_Sym *);
+extern bool _bfd_mips_elf_finish_dynamic_sections
+ (bfd *, struct bfd_link_info *);
+extern bool _bfd_mips_elf_sort_relocs_p
+ (asection *);
+extern void _bfd_mips_final_write_processing
+ (bfd *);
+extern bool _bfd_mips_elf_final_write_processing
+ (bfd *);
extern int _bfd_mips_elf_additional_program_headers
- PARAMS ((bfd *));
-extern boolean _bfd_mips_elf_modify_segment_map
- PARAMS ((bfd *));
+ (bfd *, struct bfd_link_info *);
+extern bool _bfd_mips_elf_modify_segment_map
+ (bfd *, struct bfd_link_info *);
extern asection * _bfd_mips_elf_gc_mark_hook
- PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
-extern boolean _bfd_mips_elf_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *, asection *,
- const Elf_Internal_Rela *));
+ (asection *, struct bfd_link_info *, Elf_Internal_Rela *,
+ struct elf_link_hash_entry *, Elf_Internal_Sym *);
extern void _bfd_mips_elf_copy_indirect_symbol
- PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *));
+ (struct bfd_link_info *, struct elf_link_hash_entry *,
+ struct elf_link_hash_entry *);
extern void _bfd_mips_elf_hide_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *, boolean));
-extern boolean _bfd_mips_elf_find_nearest_line
- PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **,
- const char **, unsigned int *));
-extern boolean _bfd_mips_elf_set_section_contents
- PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type));
+ (struct bfd_link_info *, struct elf_link_hash_entry *, bool);
+extern bool _bfd_mips_elf_ignore_discarded_relocs
+ (asection *);
+extern bool _bfd_mips_elf_is_target_special_symbol
+ (bfd *abfd, asymbol *sym);
+extern bool _bfd_mips_elf_find_nearest_line
+ (bfd *, asymbol **, asection *, bfd_vma,
+ const char **, const char **, unsigned int *, unsigned int *);
+extern bool _bfd_mips_elf_find_inliner_info
+ (bfd *, const char **, const char **, unsigned int *);
+extern bool _bfd_mips_elf_set_section_contents
+ (bfd *, asection *, const void *, file_ptr, bfd_size_type);
extern bfd_byte *_bfd_elf_mips_get_relocated_section_contents
- PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_order *,
- bfd_byte *, boolean, asymbol **));
+ (bfd *, struct bfd_link_info *, struct bfd_link_order *,
+ bfd_byte *, bool, asymbol **);
+extern bool _bfd_mips_elf_relax_section
+ (bfd *abfd, asection *sec, struct bfd_link_info *link_info,
+ bool *again);
extern struct bfd_link_hash_table *_bfd_mips_elf_link_hash_table_create
- PARAMS ((bfd *));
-extern boolean _bfd_mips_elf_final_link
- PARAMS ((bfd *, struct bfd_link_info *));
-extern boolean _bfd_mips_elf_merge_private_bfd_data
- PARAMS ((bfd *, bfd *));
-extern boolean _bfd_mips_elf_set_private_flags
- PARAMS ((bfd *, flagword));
-extern boolean _bfd_mips_elf_print_private_bfd_data
- PARAMS ((bfd *, PTR));
+ (bfd *);
+extern struct bfd_link_hash_table *_bfd_mips_vxworks_link_hash_table_create
+ (bfd *);
+extern bool _bfd_mips_elf_final_link
+ (bfd *, struct bfd_link_info *);
+extern bool _bfd_mips_elf_merge_private_bfd_data
+ (bfd *, struct bfd_link_info *);
+extern bool _bfd_mips_elf_set_private_flags
+ (bfd *, flagword);
+extern const char * _bfd_mips_fp_abi_string
+ (int);
+extern bool _bfd_mips_elf_print_private_bfd_data
+ (bfd *, void *);
+extern bool _bfd_mips_elf_discard_info
+ (bfd *, struct elf_reloc_cookie *, struct bfd_link_info *);
+extern bool _bfd_mips_elf_write_section
+ (bfd *, struct bfd_link_info *, asection *, bfd_byte *);
-extern boolean _bfd_mips_elf_read_ecoff_info
- PARAMS ((bfd *, asection *, struct ecoff_debug_info *));
+extern bool _bfd_mips_elf_read_ecoff_info
+ (bfd *, asection *, struct ecoff_debug_info *);
+extern void _bfd_mips_elf_reloc_unshuffle
+ (bfd *, int, bool, bfd_byte *);
+extern void _bfd_mips_elf_reloc_shuffle
+ (bfd *, int, bool, bfd_byte *);
extern bfd_reloc_status_type _bfd_mips_elf_gprel16_with_gp
- PARAMS ((bfd *, asymbol *, arelent *, asection *, boolean, PTR, bfd_vma));
+ (bfd *, asymbol *, arelent *, asection *, bool, void *, bfd_vma);
extern bfd_reloc_status_type _bfd_mips_elf32_gprel16_reloc
- PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+extern bfd_reloc_status_type _bfd_mips_elf_generic_reloc
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
extern unsigned long _bfd_elf_mips_mach
- PARAMS ((flagword));
+ (flagword);
+extern bfd_vma _bfd_mips_elf_sign_extend
+ (bfd_vma, int);
+extern void _bfd_mips_elf_merge_symbol_attribute
+ (struct elf_link_hash_entry *, unsigned int, bool, bool);
+extern char *_bfd_mips_elf_get_target_dtag (bfd_vma);
+extern bool _bfd_mips_elf_ignore_undef_symbol
+ (struct elf_link_hash_entry *);
+extern void _bfd_mips_elf_use_plts_and_copy_relocs
+ (struct bfd_link_info *);
+extern void _bfd_mips_elf_linker_flags
+ (struct bfd_link_info *, bool, bool, bool);
+extern void _bfd_mips_elf_compact_branches
+ (struct bfd_link_info *, bool);
+extern bool _bfd_mips_elf_init_stubs
+ (struct bfd_link_info *,
+ asection *(*) (const char *, asection *, asection *));
+extern bfd_vma _bfd_mips_elf_plt_sym_val
+ (bfd_vma, const asection *, const arelent *rel);
+extern long _bfd_mips_elf_get_synthetic_symtab
+ (bfd *, long, asymbol **, long, asymbol **, asymbol **);
+extern bool _bfd_mips_elf_gc_mark_extra_sections
+ (struct bfd_link_info *, elf_gc_mark_hook_fn);
+extern bool _bfd_mips_init_file_header
+ (bfd *abfd, struct bfd_link_info *link_info);
+
+extern const struct bfd_elf_special_section _bfd_mips_elf_special_sections [];
+
+extern bool _bfd_mips_elf_common_definition (Elf_Internal_Sym *);
+
+extern int _bfd_mips_elf_compact_eh_encoding (struct bfd_link_info *);
+extern int _bfd_mips_elf_cant_unwind_opcode (struct bfd_link_info *);
+
+extern void _bfd_mips_elf_record_xhash_symbol
+ (struct elf_link_hash_entry *h, bfd_vma xlat_loc);
+
+/* MIPS ABI flags data access. For the disassembler. */
+extern struct elf_internal_abiflags_v0 *bfd_mips_elf_get_abiflags (bfd *);
+
+static inline bool
+gprel16_reloc_p (unsigned int r_type)
+{
+ return (r_type == R_MIPS_GPREL16
+ || r_type == R_MIPS16_GPREL
+ || r_type == R_MICROMIPS_GPREL16
+ || r_type == R_MICROMIPS_GPREL7_S2);
+}
+
+static inline bool
+literal_reloc_p (int r_type)
+{
+ return r_type == R_MIPS_LITERAL || r_type == R_MICROMIPS_LITERAL;
+}
+
+#define elf_backend_common_definition _bfd_mips_elf_common_definition
+#define elf_backend_name_local_section_symbols \
+ _bfd_mips_elf_name_local_section_symbols
+#define elf_backend_special_sections _bfd_mips_elf_special_sections
+#define elf_backend_eh_frame_address_size _bfd_mips_elf_eh_frame_address_size
+#define elf_backend_merge_symbol_attribute _bfd_mips_elf_merge_symbol_attribute
+#define elf_backend_ignore_undef_symbol _bfd_mips_elf_ignore_undef_symbol
+#define elf_backend_init_file_header _bfd_mips_init_file_header
+#define elf_backend_compact_eh_encoding _bfd_mips_elf_compact_eh_encoding
+#define elf_backend_cant_unwind_opcode _bfd_mips_elf_cant_unwind_opcode
+#define elf_backend_record_xhash_symbol _bfd_mips_elf_record_xhash_symbol
+#define elf_backend_always_renumber_dynsyms true
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